用高岭土和硫酸铝为原料,硫酸钠为反应介质,研究了在不同温度和不同反应时间对试样产物的影响.结果表明:莫来石晶须生长的最佳温度为900℃,在1000℃开始有氧化铝生成,在1200℃主要物相为氧化铝和硅铝酸钠;在900℃条件下保温2h,制备了直径在0.5μm左右,最大长度大于7μm的莫来石晶须.
参考文献
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